I am an ex-guitarist, and keen to learn bass. Got a good deal on an entry level one, and have been checking out a few Youtube basics.
Now right from the start, I have an issue.
I have no idea where to position my right hand (arm).
If you look at the picture, this seems to be how many players do it, with the arm / palm resting on the guitar. But you can also see what a terrible angle that makes for my wrist and forearm.
It feels like there is no space for my arm on the guitar to rest on while maintaining comfort and not stress.
Your input would be greatly appreciated. https://goo.gl/uycbb5
You will simply have to find a position for both your arm and bass that is comfortable for you allowing you to do and play the way you think is right. Look at pictures or video's of other bass players and see how they do it.
It will be different for all of us, as our arms, hand and fingers have all different lengths etc. Videos of other telling you how to do it is just an indication, everyone has their own "technique" or "method" to do certain things. The end result counts. And like you picked a guitar for the first time years ago it did feel strange then and required some muscle pain etc. It will be the same for a bass as it is not the same. You get used to it after a while.